EXCEL F105373A Differential Ring & Pinion For Ford 10.5" Gear Ratio 3.73, 12-Bolt 31 Spline 11 Pinion & 41 Ring Teeth – Fits Ford F-250/F-350 Super Duty, Excursion Replaces Motive Gear F10.5-373PK
Product details
| Management number | 212857862 | Release Date | 2026/04/12 | List Price | $134.27 | Model Number | 212857862 | ||
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Short Summary: The EXCEL F10.5-373A Ring and Pinion Set offers a 3.73 gear ratio for Ford 10.5" rear axles. Designed for use in Super Duty trucks and Excursion models from 1999 to 2007, this gear set includes inner and outer pinion bearings and is crafted from high-quality 8620 steel.Key FeaturesApplication: Ford 10.5" Rear DifferentialsGear Ratio: 3.73Pinion Teeth: 11 | Ring Teeth: 41Pinion Shaft Diameter: 1.94"Pinion Spline Count: 31Ring Gear Outside Diameter: 10.5"Ring Gear Bolt Count: 12Rotation: StandardMaterial: 8620 SteelIncludes: Inner and Outer Pinion Bearings OnlyInstallation Note: Use Ford 10.25" Installation Kits OnlyWarranty: 1 Year or 50,000 MilesVehicle CompatibilityFord2000–2005 Excursion2004–2007 F-1502004 F-150 Heritage1999–2006 F-250 / F-250 Super Duty1999–2006 F-350 / F-350 Super Duty2004–2007 LoboReplaces OEM & Aftermarket Part NumbersMotive Gear: F10.5-373PKWarranty & Quality Assurance EXCEL from Richmond is built for installers and performance-minded drivers seeking OE quality with long-term durability. Backed by a 1-year or 50,000-mile warranty, this 3.73 Ford 10.5" ring and pinion set is ideal for Ford Super Duty applications requiring rugged performance and precise fitment.
- EXCEL Ring & Pinion Set for Ford 10.5" Rear Axles – Delivers a 3.73 gear ratio for Ford F-250, F-350, and Excursion models from 1999–2007.
- Premium 8620 Steel Construction – Heat-treated and precision-machined for long-lasting durability and quiet, efficient performance.
- Ring Gear Specs: 41 Teeth, 12-Bolt, 10.5" OD – Standard rotation, engineered for Ford 10.5" axles with 3.73 ratio carriers.
- Pinion Specs: 11 Teeth, 1.94" Shaft Diameter, 31 Spline – Includes inner and outer pinion bearings; requires Ford 10.25" installation kits.
- Backed by 1-Year/50,000-Mile Warranty – Reliable OEM-quality fitment from EXCEL by Richmond, trusted in differential performance.
| Brand | Richmond |
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| Model | Ring and Pinion |
| Exterior | Machined |
| Item Weight | 31 pounds |
| Manufacturer | Midwest Truck and Auto |
| Item model number | F105373A |
| Product Dimensions | 14.75 x 11 x 5.25 inches |
| Manufacturer Part Number | F105373A |
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Differential Rings & Pinions
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